Erase return type of crate_dependencies_in_reverse_postorder

osiewicz · osiewicz · commit b041d177c0d7 · 2025-05-29T22:28:11.000+02:00
diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs
@@ -307,10 +307,8 @@ impl CStore {
         deps
     }
 
-    fn crate_dependencies_in_reverse_postorder(&self, cnum: CrateNum) -> IndexSet<CrateNum> {
-        let mut deps = self.crate_dependencies_in_postorder(cnum);
-        deps.reverse();
-        deps
+    fn crate_dependencies_in_reverse_postorder(&self, cnum: CrateNum) -> impl Iterator<Item=CrateNum> {
+        self.crate_dependencies_in_postorder(cnum).into_iter().rev()
     }
 
     pub(crate) fn injected_panic_runtime(&self) -> Option<CrateNum> {

Original file line number	Diff line number	Diff line change
`@@ -307,10 +307,8 @@ impl CStore {`
`307`	`307`	`deps`
`308`	`308`	`}`
`309`	`309`
`310`		`- fn crate_dependencies_in_reverse_postorder(&self, cnum: CrateNum) -> IndexSet<CrateNum> {`
`311`		`- let mut deps = self.crate_dependencies_in_postorder(cnum);`
`312`		`- deps.reverse();`
`313`		`- deps`
	`310`	`+ fn crate_dependencies_in_reverse_postorder(&self, cnum: CrateNum) -> impl Iterator<Item=CrateNum> {`
	`311`	`+ self.crate_dependencies_in_postorder(cnum).into_iter().rev()`
`314`	`312`	`}`
`315`	`313`
`316`	`314`	`pub(crate) fn injected_panic_runtime(&self) -> Option<CrateNum> {`